Implement cursor compositing mode on Ash

ui/views/corewm/cursor_manager.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_COREWM_CURSOR_MANAGER_H_
 #define UI_VIEWS_COREWM_CURSOR_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 43 matching lines @@
   virtual bool IsMouseEventsEnabled() const OVERRIDE;
   virtual void SetDisplay(const gfx::Display& display) OVERRIDE;
   virtual void LockCursor() OVERRIDE;
   virtual void UnlockCursor() OVERRIDE;
   virtual bool IsCursorLocked() const OVERRIDE;
   virtual void AddObserver(
       aura::client::CursorClientObserver* observer) OVERRIDE;
   virtual void RemoveObserver(
       aura::client::CursorClientObserver* observer) OVERRIDE;
 
+  // Toggles native cursor enabled/disabled.
+  // The native cursor is enabled by default.
+  // When disabled, native cursor is hidden even when cursor is visible.
+  void SetNativeCursorEnabled(bool enabled);
+
  private:
   // Overridden from NativeCursorManagerDelegate:
   virtual void CommitCursor(gfx::NativeCursor cursor) OVERRIDE;
   virtual void CommitVisibility(bool visible) OVERRIDE;
   virtual void CommitScale(float scale) OVERRIDE;
   virtual void CommitCursorSet(ui::CursorSetType cursor_set) OVERRIDE;
   virtual void CommitMouseEventsEnabled(bool enabled) OVERRIDE;
 
   scoped_ptr<NativeCursorManager> delegate_;
 
   // Number of times LockCursor() has been invoked without a corresponding
   // UnlockCursor().
   int cursor_lock_count_;
 
   // The current state of the cursor.
   scoped_ptr<internal::CursorState> current_state_;
 
   // The cursor state to restore when the cursor is unlocked.
   scoped_ptr<internal::CursorState> state_on_unlock_;
 
   ObserverList<aura::client::CursorClientObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(CursorManager);
 };
 
 }  // namespace corewm
 }  // namespace views
 
 #endif  // UI_VIEWS_COREWM_CURSOR_MANAGER_H_